If '+' means '-', '-' means '+', 'x' means '÷', then 60 + 10 - 5 × 5 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 51.
Given equation: 60 + 10 - 5 × 5 = ?
On interchanging the sign:
60 - 10 + 5 ÷ 5 = ?
? = 60 - 10 + 1
? = 61 - 10 = 51